dis·si·pate /ˈdɪsəˌpet/
  (vt.)散失,驅散,浪費(vi.)消散,放蕩
  Dis·si·pate, v. i.
  1. To separate into parts and disappear; to waste away; to scatter; to disperse; to vanish; as, a fog or cloud gradually dissipates before the rays or heat of the sun; the heat of a body dissipates.
  2. To be extravagant, wasteful, or dissolute in the pursuit of pleasure; to engage in dissipation.
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  dis·si·pate v. t. [imp. & p. p. Dissipated; p. pr. & vb. n. Dissipating.]
  1. To scatter completely; to disperse and cause to disappear; -- used esp. of the dispersion of things that can never again be collected or restored.
     Dissipated those foggy mists of error.   --Selden.
     I soon dissipated his fears.   --Cook.
     The extreme tendency of civilization is to dissipate all intellectual energy.   --Hazlitt.
  2. To destroy by wasteful extravagance or lavish use; to squander.
     The vast wealth . . . was in three years dissipated.   --Bp. Burnet.
  Syn: -- To disperse; scatter; dispel; spend; squander; waste; consume; lavish.
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  dissipate
       v 1: to cause to separate and go in different directions; "She
            waved her hand and scattered the crowds" [syn: disperse,
             dispel, break up, scatter]
       2: move away from each other; "The crowds dispersed"; "The
          children scattered in all directions when the teacher
          approached"; [syn: disperse, scatter, spread out]
       3: spend frivolously and unwisely; "Fritter away one's
          inheritance" [syn: fritter, frivol away, shoot, fritter
          away, fool, fool away]
       4: live a life or pleasure, especially with respect to
          alcoholic consumption